<template>
  <view class="login-container">
    <!-- 提示登录的图标 -->
    <uni-icons class="unitype" type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <!-- 登录按钮 -->
    <button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
    <!-- 登录提示 -->
    <view class="tips-text">登录后尽享更多权益</view>
  </view>
</template>

<script>
  import {
    mapMutations,
    mapState
  } from 'vuex'
  export default {
    name: "my-login",
    computed: {
      ...mapState('m_user', ['redirectInfo'])
    },
    data() {
      return {

      };
    },
    methods: {
      ...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateredirectInfo']),
      getUserProfile() {
        uni.getUserProfile({
          desc: '获取你的地区',
          success: (res) => {
            console.log('同意授权--------', res);
            this.updateUserInfo(res.userInfo)
            this.getToken(res)
          },
          fail: (res) => {
            return uni.$showMsg('您取消了登录授权')
            // console.log('登录失败后信息--------', res);
          }
        })
      },
      async getToken(info) {
        // code
        const [err, res] = await uni.login().catch(err => err)
        if (err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败')
        console.log(res.code);
        console.log('info--------', info);
        // 准备参数对象
        const query = {
          code: res.code,
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
        }

        // 换取 token
        const res1 = await uni.$http.post('/api/public/v1/users/wxlogin', query)
        console.log(res1);

        if (res1.data.meta.status !== 400) return uni.$showMsg('登录失败！')
        uni.$showMsg('登录成功')

        this.updateToken(
          'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjEyLCJpYXQiOjE1MjU0MDIyMjMsImV4cCI6MTUyNTQ4ODYyM30.g-4GtEQNPwT_Xs0Pq7Lrco_9DfHQQsBiOKZerkO-O-o'
          )

        this.navigateBack()
      },
      navigateBack() {
        // redirectInfo 不为 null，并且导航方式为 switchTab
        if (this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
          // 调用小程序提供的 uni.switchTab() API 进行页面的导航
          uni.switchTab({
            // 要导航到的页面地址
            url: this.redirectInfo.from,
            // 导航成功之后，把 vuex 中的 redirectInfo 对象重置为 null
            complete: () => {
              this.updateredirectInfo(null)
            }
          })
        }
      }


    }
  }
</script>

<style lang="scss">
  .login-container {
    background-color: #f8f8f8;
    // background-color: antiquewhite;
    height: 350px;
    position: relative;
    // 超出的部分隐藏掉
    overflow: hidden;

    // 绘制登录盒子底部的半椭圆造型
    &::after {
      content: ' ';
      display: block;
      position: absolute;
      width: 100%;
      height: 40px;
      left: 0;
      bottom: 0;
      background-color: white;
      border-radius: 100%;
      // 向下移动自身高度的一半
      transform: translateY(50%);
    }

    .unitype {
      display: flex;
      // background-color: antiquewhite;
      justify-content: center;
      align-content: center;
      padding-top: 100px;
    }


    .btn-login {
      display: flex;
      justify-content: center;
      align-content: center;
      width: 90%;
      border-radius: 100px;
      margin-top: 15px;
      background-color: #c00000;
    }

    // 按钮下方提示消息的样式
    .tips-text {
      font-size: 12px;
      color: gray;
      padding-top: 10px;
      text-align: center;
    }
  }
</style>
